Gross Margin and Markup Calculator
Find a target price, or analyse an existing selling price.
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34 free tools
Business Calculators
Business calculators for pricing, profits, cash flow, taxes, capital investment, contracts and supplier payments. Each calculator explains its inputs, formula and limits.
Cost of goods sold Calculator
Calculate COGS from stock, purchases and inward freight.
Open calculator →Break-even analysis Calculator
Find the sales volume and revenue needed to cover fixed costs.
Open calculator →Irish corporation tax Calculator
Separate trading and passive non-trading profit estimates.
Open calculator →Customer acquisition & value Calculator
Estimate CAC, gross-profit LTV and acquisition payback.
Open calculator →Stock turnover & DSO Calculator
Measure inventory days and customer payment collection time.
Open calculator →Asset depreciation Calculator
Compare straight-line and reducing-balance schedules.
Open calculator →Return on investment Calculator
Calculate total and annualised net returns.
Open calculator →Business cash runway Calculator
How long operating cash can fund the current monthly burn.
Open calculator →Cash conversion cycle Calculator
See how inventory, debtors and creditors affect operating cash funding.
Open calculator →Working capital and liquidity ratios Calculator
Measure current, quick and cash ratios alongside net working capital.
Open calculator →Operating leverage and sales sensitivity Calculator
Model how a sales change affects operating profit when fixed costs stay constant.
Open calculator →EBITDA to net-profit bridge Calculator
Reconcile sales, operating costs, depreciation, interest and entered tax.
Open calculator →Project and job profitability Calculator
Build a job-cost estimate with labour, materials, subcontractors and contingency.
Open calculator →Supplier early-payment discount Calculator
Compare a supplier discount with the funding cost of paying early.
Open calculator →Invoice factoring cost Calculator
Estimate cash advanced, financing fees and the eventual net receipt.
Open calculator →Invoice late-payment interest Calculator
Calculate simple overdue interest using the applicable entered rate and compensation.
Open calculator →Contract price escalation Calculator
Apply weighted labour and material indices to a contract price.
Open calculator →Capital-project NPV Calculator
Discount annual investment cash flows and calculate the profitability index.
Open calculator →Customer revenue concentration Calculator
Measure dependence on the largest customers and the concentration of your revenue base.
Open calculator →Investment payback period Calculator
Compare simple and discounted payback for a constant annual cash benefit.
Open calculator →Equipment lease versus purchase Calculator
Compare the discounted ownership and lease costs of a business asset.
Open calculator →Make in-house or outsource Calculator
Find the cost crossover between internal production and a supplier quote.
Open calculator →Overhead absorption rate Calculator
Allocate overhead by productive hours or units and estimate the burden for a job.
Open calculator →Business Mileage Allowance Calculator Ireland
Calculate the incremental Civil Service mileage reimbursement across annual bands.
Open calculator →Subsistence Allowance Calculator Ireland
Estimate eligible day or overnight business-travel allowances.
Open calculator →Plant Capital Allowance Calculator Ireland
Build the standard eight-year tax write-down and estimate annual tax savings.
Open calculator →RCT Payment Calculator Ireland
Calculate cash payable and Relevant Contracts Tax at the authorised deduction rate.
Open calculator →PSWT Withholding Calculator Ireland
Calculate the 20% withholding excluding VAT and supplier cash received.
Open calculator →Entrepreneur CGT Relief Calculator Ireland 2026
Allocate a qualifying business gain across the lifetime 10% CGT limit.
Open calculator →Preliminary Corporation Tax Calculator Ireland
Compare normal small-company and large-company instalment targets.
Open calculator →Commercial Lease Stamp Duty Calculator Ireland
Estimate duty on average annual rent and a chargeable non-residential premium.
Open calculator →VAT registration threshold headroom Calculator
Compare relevant annual domestic taxable turnover with the ordinary Irish goods/services thresholds.
Open calculator →VAT3 return reconciliation Calculator
Reconcile T1 and T2 to VAT payable/refundable, with separate EU and postponed-accounting values.
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